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    1. Rosemary Herb whose oil is used in hair care
    2. Follistatin Protein that blocks activin, a growth-regulating signal
    3. Dexpanthenol Provitamin B5, a moisturiser in hair and skin products
    4. Biotin B vitamin, often sold as a hair supplement
    5. Latanoprost Prostaglandin eye drop used for glaucoma